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Classification：Hydropower station valve

Trade names：



High-pressure hydropower station floodgate valve of the high temperature
Type of the products: Z960Y
The products quote the standard:

Make and confirm the technological condition and use standard E101 of valve and regulation of JB/T3595-93 according to Japan's generation of electric power by thermal power;
The length of structure offers the size according to the regulation of E101 or according to users
Weld the slope mouth and meets the regulation of managing standard 78DG of power industry or offers the size according to users.
The manufalture and aueptanle specigication shan be based on the japanese standard E101 applied for the thermal powerand JB/T3595-93
The length shall bein line with E101 or by user's speeification.
Welding groove shan be in auordanle with power industrh spe-cification 78DG or hg user' specification
The size in inclose is old production's size


The material of the major part is explained:

Standardize Property and specifiecation in performance
Products type Product type
Nominal pressure of nominal pressure PN (MPa )
Test pressure of test pressure (MPa )
Working pressure (MPa)
Working pressure
Working temperature (degrees Centigrade)
Working temperature
Suitable medium
Appicable medium
The intensity testing
Sheel test
Seal and test / have the sealed experiment
Seal test
Z960Y-250
25
37.5
27.5
-
≤ 425
Water , steam , Water, steam
Z960Y-320
32
48.0
36.0
-
≤ 425
Z960Y-P54100
-
30.0
22.0
P5410
≤ 540
Steam Steam
Z960Y-P54170
-
48.0
36.0
P5417
≤ 540
Material Matecrial for main of major part parts
Part name Part name
Material trade mark Material designation
Valve body Body
WCB
WC6
WC9
Valve board Disc
WCB
WC6
WC9
The valve covers Bonnet
25
12Cr1Mo1VA
Valve stem Stem
1Cr17Ni2
20Cr1Mo1VA
Valve seat Seat
25
12Cr1Mo1VA
Sealed ring Sealing ring
S soft steel of mild steel of S (strengthens the soft graphite ) (flexible graphite)
Mild steel S soft steel of S
Mild steel F Soft steel of F
Packing Packing
Strengthen soft graphite Fexible graphite
Support Yoke
WCB
WCB or WC6
Nut Stem nut of valve stem
45(ZCuZn25A16Fe3Mn3)
The quarto surrounds Four piece ring
1Cr13
20Cr1MoVA


Main external dimension :

Nominal open DNNominal diameter directly
Main external dimension and connecting Main external and connecting of size (mm ) dimensions
Electronic device Electric dewice
Weight of weight (kg )
d
L
H
L1
L2
Z960Y-250
100
84
406
1164
437
277
DZW45
234
125
100
483
1402
437
277
DZW60
343
175
158
711
1650
554
309
DZW180
638
225
200
864
1650
554
309
DZW180
654
300
280
1067
2106
764
398
DZW350
1973
Z960Y-320
100
96
533
1236
437
277
DZW60
291
125
118
610
1302
437
277
DZW60
315
150
148
762
1403
526
283
DZW90
672
175
148
762
1650
554
309
DZW180
684
225
222
1041
1650
554
309
DZW180
696
Z960Y-P54100V
175
148
762
1650
554
309
DZW180
683
225
222
1041
1650
554
309
DZW180
704
250
222
1041
1795
554
309
DZW180
1214
300
294
1245
2080
554
309
DZW250
2125
Z960Y-P54170V
125
98
630
1230
437
277
DZW60
312
225
186
1060
1680
554
309
DZW180
1401
300
278
1397
2265
764
DZW500
2834
325
310
1448
2265
690
398
DZW500
2632
350
338
1550
2536
715
DZWC-4
5591


　　　

 
       
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